Revert addition of a new declaration requirement

Author: ojhunt

clang/include/clang/Basic/Features.def

@@ -147,8 +147,10 @@ FEATURE(type_sanitizer, LangOpts.Sanitize.has(SanitizerKind::Type))
 FEATURE(thread_sanitizer, LangOpts.Sanitize.has(SanitizerKind::Thread))
 FEATURE(dataflow_sanitizer, LangOpts.Sanitize.has(SanitizerKind::DataFlow))
 FEATURE(scudo, LangOpts.Sanitize.hasOneOf(SanitizerKind::Scudo))
-FEATURE(ptrauth_intrinsics, LangOpts.PointerAuthIntrinsics && Target.getTriple().isOSDarwin())
-FEATURE(ptrauth_qualifier, LangOpts.PointerAuthIntrinsics && Target.getTriple().isOSDarwin())
+FEATURE(ptrauth_intrinsics, LangOpts.PointerAuthIntrinsics &&
+                            PP.getTargetInfo().getTriple().isOSDarwin())
+FEATURE(ptrauth_qualifier, LangOpts.PointerAuthIntrinsics &&
+                           PP.getTargetInfo().getTriple().isOSDarwin())
 FEATURE(ptrauth_calls, LangOpts.PointerAuthCalls)
 FEATURE(ptrauth_returns, LangOpts.PointerAuthReturns)
 FEATURE(ptrauth_vtable_pointer_address_discrimination, LangOpts.PointerAuthVTPtrAddressDiscrimination)

clang/lib/Frontend/FrontendActions.cpp

@@ -1159,7 +1159,7 @@ void DumpCompilerOptionsAction::ExecuteAction() {
   raw_ostream &OS = *OSP;
   const Preprocessor &PP = CI.getPreprocessor();
   const LangOptions &LangOpts = PP.getLangOpts();
-  const TargetInfo &Target = CI.getTarget();
+
 
   // FIXME: Rather than manually format the JSON (which is awkward due to
   // needing to remove trailing commas), this should make use of a JSON library.

clang/lib/Lex/PPMacroExpansion.cpp

@@ -1089,7 +1089,6 @@ static void ComputeDATE_TIME(SourceLocation &DATELoc, SourceLocation &TIMELoc,
 /// specified by the identifier as a standard language feature.
 static bool HasFeature(const Preprocessor &PP, StringRef Feature) {
   const LangOptions &LangOpts = PP.getLangOpts();
-  const TargetInfo &Target = PP.getTargetInfo();
 
   // Normalize the feature name, __foo__ becomes foo.
   if (Feature.starts_with("__") && Feature.ends_with("__") &&